Revenue Recognition - Schedule of Disaggregated Revenue by Major Business Line (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Disaggregation Of Revenue [Table]
Total revenue	$ 261,176	$ 231,663	$ 761,903	$ 606,277
U S [Member]
Disaggregation Of Revenue [Table]
Total revenue	211,957	189,116	619,585	495,988
Europe [Member]
Disaggregation Of Revenue [Table]
Total revenue	32,379	28,630	97,143	73,638
Japan [Member]
Disaggregation Of Revenue [Table]
Total revenue	14,021	12,012	37,572	31,308
Rest of world [Member]
Disaggregation Of Revenue [Table]
Total revenue	2,819	1,905	7,603	5,343
Product
Disaggregation Of Revenue [Table]
Total revenue	249,065	220,883	726,324	575,977
Service and Other
Disaggregation Of Revenue [Table]
Total revenue	$ 12,111	$ 10,780	$ 35,579	$ 30,300